Section 15 Base metals and articles of base metal 83 Miscellaneous articles of base metal. 83 04 Filing cabinets, card-index cabinets, paper trays, paper rests, pen trays, office-stamp stands and similar office or desk equipment, of base metal, other than office furniture of heading 94.03. Commodity Code Description 83 04 00 Filing cabinets, card-index cabinets, paper trays, paper rests, pen trays, office-sta